No, you get the download from the website when you make your premium account.
Chat with our AI personalities
There is only one version of Minecraft to buy for the PC.
Currently, Minecraft's newest version for PC is 1.4.7
You insert an empty disc into your PC or CPU and open your downloads folder (or wherever you put the minecraft launcher) and click and drag the minecraft launcher to the empty disc drive located usually on the side of the libraries organizer under "computer".
No, you download the client from the Minecraft website. The account you register there is more important than the client data.
No, but the Xbox 360 version is just an older version of Minecraft. You can reuse the old seeds that were on the PC, and they'll work on the Xbox.